pISSN 2234-7518
eISSN 2005-372X

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Fig. 5. Reference planes used for measurement of the interplanar angle. a, Frankfort horizontal plane; b, N-perpendicular plane; c, midsagittal plane. Rt, Right; Lt, left; MidPo, mid-porion.
Korean J Orthod 2020;50:258~267 https://doi.org/10.4041/kjod.2020.50.4.258
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